Photographers interested in capturing ultraviolet light spectrum photographs revealing hidden details that would not normally be seen by the naked eye may be interested in a new video created during ...

Ultraviolet has very short and energetic wavelengths that are shorter than violet on the visible spectrum. But can people see UV? When you purchase through links on our site, we may earn an affiliate ...

Because the process is coherent; solid samples, plasma or gases that are illuminated by a pulse laser will emit the high harmonics of the generation beam itself. This can then be used as a ...

ABSTRACT The International Ultraviolet Explorer (IUE) satellite observed VV Cephei (M2 Iab+B?) over nearly a full 20.3 year orbital period, but all the observations were obtained outside total eclipse ...

I was reading a children's book about insects to my daughter, and it said that bees see colors differently than humans do. My daughter immediately asked, in short succession: "What colors do they see?